(a) Ozone (O3, CAS Reg. No. 10028-15-6) is an unstable blue gas with a pungent, characteristic odor, which occurs freely in nature, It is produced commercially by passing electrical discharges or ionizing radiation through air or oxygen.
(b) The ingredient must be of a purity suitable for its intended use in accordance with Sec. 170.30(h)(1) of this chapter.
(c) In accordance with Sec. 184.1(b)(2), the ingredient is used to treat food only within the following specific limitations: ------------------------------------------------------------------------
Maximum treatment
Category of food level in food Functional use------------------------------------------------------------------------Bottled water that prior to Not to exceed Antimicrobial
ozonation meets the current good agent, Sec.
microbiological, physical, manufacturing 170.3 (o)(2) of
chemical, and radiological practice. Current this chapter.
quality standards of Sec. good manufacturing
165.110 (b)(2) through (b)(5) practice results
of this chapter. in a maximum
residual level at
the time of
bottling of 0.4
milligram of ozone
per liter of
bottled water.------------------------------------------------------------------------ [47 FR 50210, Nov. 5, 1982, as amended at 60 FR 57130, Nov. 13, 1995]